Journal of Clinical Neurology,
Journal Year:
2023,
Volume and Issue:
19(2), P. 101 - 101
Published: Jan. 1, 2023
The
cellular
homeostasis
of
proteins
(proteostasis)
and
RNA
metabolism
(ribostasis)
are
essential
for
maintaining
both
the
structure
function
brain.
However,
aging,
stress
conditions,
genetic
contributions
cause
disturbances
in
proteostasis
ribostasis
that
lead
to
protein
misfolding,
insoluble
aggregate
deposition,
abnormal
ribonucleoprotein
granule
dynamics.
In
addition
neurons
being
primarily
postmitotic,
nondividing
cells,
they
more
susceptible
persistent
accumulation
aggregates.
Indeed,
defects
associated
with
failure
maintain
common
pathogenic
components
age-related
neurodegenerative
diseases,
including
Alzheimer's
disease,
Parkinson's
amyotrophic
lateral
sclerosis.
Furthermore,
neuronal
deposition
misfolded
aggregated
can
increased
toxicity
impaired
physiological
function,
which
dysfunction
cell
death.
There
is
recent
evidence
irreversible
liquid-liquid
phase
separation
(LLPS)
responsible
formation
disease-related
proteins,
tau,
α-synuclein,
RNA-binding
transactive
response
DNA-binding
43,
fused
sarcoma,
heterogeneous
nuclear
A1.
Investigations
LLPS
its
control
therefore
suggest
chaperone/disaggregase,
reverse
aggregation,
valuable
therapeutic
targets
effective
treatments
neurological
diseases.
Here
we
review
discuss
studies
highlight
importance
understanding
death
mechanisms
Signal Transduction and Targeted Therapy,
Journal Year:
2024,
Volume and Issue:
9(1)
Published: Feb. 2, 2024
Abstract
Alternative
splicing
(AS)
serves
as
a
pivotal
mechanism
in
transcriptional
regulation,
engendering
transcript
diversity,
and
modifications
protein
structure
functionality.
Across
varying
tissues,
developmental
stages,
or
under
specific
conditions,
AS
gives
rise
to
distinct
splice
isoforms.
This
implies
that
these
isoforms
possess
unique
temporal
spatial
roles,
thereby
associating
with
standard
biological
activities
diseases.
Among
these,
AS-related
RNA-binding
proteins
(RBPs)
play
an
instrumental
role
regulating
alternative
events.
Under
physiological
the
diversity
of
mediated
by
influences
structure,
function,
interaction,
localization
proteins,
participating
differentiation
development
array
tissues
organs.
pathological
alterations
are
linked
various
diseases,
particularly
cancer.
These
changes
can
lead
gene
patterns,
culminating
loss
For
instance,
cancer,
abnormalities
RBPs
may
result
aberrant
expression
cancer-associated
genes,
promoting
onset
progression
tumors.
also
associated
numerous
neurodegenerative
diseases
autoimmune
Consequently,
study
across
different
holds
significant
value.
review
provides
detailed
account
recent
advancements
tissue
which
aids
deepening
understanding
complexity
offers
new
insights
methodologies
for
precision
medicine.
Molecular Cell,
Journal Year:
2023,
Volume and Issue:
83(11), P. 1839 - 1855.e13
Published: June 1, 2023
Localized
translation
is
vital
to
polarized
cells
and
requires
precise
robust
distribution
of
different
mRNAs
ribosomes
across
the
cell.
However,
underlying
molecular
mechanisms
are
poorly
understood
important
players
lacking.
Here,
we
discovered
a
Rab5
effector,
five-subunit
endosomal
RNA/ribosome
intermediary
(FERRY)
complex,
that
recruits
early
endosomes
through
direct
mRNA-interaction.
FERRY
displays
preferential
binding
certain
groups
transcripts,
including
encoding
mitochondrial
proteins.
Deletion
subunits
reduces
localization
transcripts
in
has
significant
impact
on
mRNA
levels.
Clinical
studies
show
genetic
disruption
causes
severe
brain
damage.
We
found
that,
neurons,
co-localizes
with
endosomes,
loaded
FERRY-positive
close
proximity
mitochondria.
thus
transforms
into
carriers
plays
key
role
regulating
transport.
Scientific Reports,
Journal Year:
2023,
Volume and Issue:
13(1)
Published: March 31, 2023
Abstract
Thousands
of
RNA-binding
proteins
(RBPs)
crosslink
to
cellular
mRNA.
Among
these
are
numerous
unconventional
RBPs
(ucRBPs)—proteins
that
associate
with
RNA
but
lack
known
domains
(RBDs).
The
vast
majority
ucRBPs
have
uncharacterized
specificities.
We
analyzed
492
human
for
intrinsic
in
vitro
and
identified
23
bind
specific
sequences.
Most
(17/23),
including
8
ribosomal
proteins,
were
previously
associated
RNA-related
function.
the
RBDs
responsible
sequence-specific
several
surveyed
whether
corresponding
from
homologous
also
display
sequence
specificity.
CCHC-zf
seven
recognized
motifs,
indicating
this
is
a
major
class
RBD.
For
Nudix,
HABP4,
TPR,
RanBP2-zf,
L7Ae
domains,
however,
only
isolated
members
or
closely
related
homologs
yielded
consistent
as
derived
specificity
most
striking,
we
suggest
many
may
function
analogously
chromatin
factors,
which
often
efficiently
DNA,
presumably
via
indirect
recruitment.
Finally,
show
tend
be
highly
abundant
their
identification
interactome
capture
studies
could
result
weak
nonspecific
interactions
RNA.
Nature Communications,
Journal Year:
2023,
Volume and Issue:
14(1)
Published: April 12, 2023
Abstract
System-wide
approaches
have
unveiled
an
unexpected
breadth
of
the
RNA-bound
proteomes
cultured
cells.
Corresponding
information
regarding
RNA-binding
proteins
(RBPs)
mammalian
organs
is
still
missing,
largely
due
to
technical
challenges.
Here,
we
describe
ex
vivo
enhanced
RNA
interactome
capture
(eRIC)
characterize
three
different
mouse
organs.
The
resulting
organ
atlases
encompass
more
than
1300
RBPs
active
in
brain,
kidney
or
liver.
Nearly
a
quarter
(291)
these
had
formerly
not
been
identified
cells,
with
100
being
metabolic
enzymes.
Remarkably,
RBP
activity
differs
between
independent
abundance,
suggesting
organ-specific
levels
control.
Similarly,
identify
systematic
differences
binding
animal
and
pervasive
enzymes
intermediary
metabolism
points
tightly
knit
connections
gene
expression
metabolism,
displays
particular
enrichment
for
that
use
nucleotide
cofactors.
We
generically
applicable
refinement
eRIC
technology
provide
instructive
resource
intact
organs,
including
brain.
npj Genomic Medicine,
Journal Year:
2023,
Volume and Issue:
8(1)
Published: Aug. 11, 2023
Niemann-Pick
type
C
(NPC)
disease
is
a
lysosomal
storage
(LSD)
characterized
by
the
buildup
of
endo-lysosomal
cholesterol
and
glycosphingolipids
due
to
loss
function
mutations
in
NPC1
NPC2
genes.
NPC
patients
can
present
with
broad
phenotypic
spectrum,
differences
at
age
onset,
rate
progression,
severity,
organs
involved,
effects
on
central
nervous
system,
even
response
pharmacological
treatments.
This
article
reviews
variation
discusses
its
possible
causes,
such
as
remaining
defective
protein,
modifier
genes,
sex,
environmental
cues,
splicing
factors,
among
others.
We
propose
that
these
factors
should
be
considered
when
designing
or
repurposing
treatments
for
this
disease.
Despite
seeming
complexity,
proposition
not
far-fetched,
considering
expanding
interest
precision
medicine
easier
access
multi-omics
technologies.
Cells,
Journal Year:
2024,
Volume and Issue:
13(12), P. 1063 - 1063
Published: June 19, 2024
Neurological
and
neuropsychiatric
disorders
pose
substantial
challenges
to
public
health,
necessitating
a
comprehensive
understanding
of
the
molecular
mechanisms
underlying
their
pathogenesis.
In
recent
years,
focus
has
shifted
toward
intricate
world
non-coding
RNAs
(ncRNAs),
class
RNA
molecules
that
do
not
encode
proteins
but
play
pivotal
roles
in
gene
regulation
cellular
processes.
This
review
explores
emerging
significance
ncRNAs
context
neurological
disorders,
shedding
light
on
diverse
functions
regulatory
mechanisms.
The
dysregulation
various
ncRNAs,
including
microRNAs
(miRNAs),
long
(lncRNAs),
circular
(circRNAs),
been
implicated
pathophysiology
conditions
such
as
Alzheimer’s
disease,
Parkinson’s
schizophrenia,
mood
disorders.
delves
into
specific
these
modulating
key
processes,
synaptic
plasticity,
neuroinflammation,
apoptosis,
providing
nuanced
impact
disease
progression.
Furthermore,
it
discusses
potential
diagnostic
therapeutic
implications
targeting
identification
ncRNA
signatures
holds
promise
for
development
novel
biomarkers
early
detection,
while
manipulation
expression
offers
innovative
avenues.
Challenges
future
directions
field
are
also
considered,
highlighting
need
continued
research
unravel
complexities
ncRNA-mediated
networks
aims
provide
overview
current
state
knowledge
stimulate
further
exploration
fascinating
realm
brain’s
landscape.
Nature Communications,
Journal Year:
2025,
Volume and Issue:
16(1)
Published: March 7, 2025
The
morphogenesis
and
cellular
interactions
in
developing
retina
are
incompletely
characterized.
full
understanding
needs
a
precise
mapping
of
the
gene
expression
with
single-cell
spatial
resolution.
Here,
we
present
transcriptomic
(ST)
resource
for
human
at
six
developmental
stages.
Combining
data
enables
characterization
cell-type-specific
profiles
distinct
anatomical
regions
each
stage,
highlighting
spatiotemporal
dynamics
composition
during
retinal
development.
All
ST
spots
catalogued
into
consensus
domains,
which
further
associated
to
their
specific
signatures
biological
functions
neuron
eye
We
prioritize
set
critical
regulatory
genes
transitions
domains
Differentially
expressed
from
different
diseases,
indicating
relevance
clinical
significance
spatially
defined
expression.
Finally,
reconstruct
communication
networks,
highlight
ligand-receptor
Overall,
our
study
reports
development,
provides
rich
future
studies
on
retinogenesis.